/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id$
 */
package wx.xml.xalan.xalan.processor;

import org.xml.sax.Attributes;

import javax.xml.transform.TransformerException;

import wx.xml.xalan.xalan.templates.ElemAttributeSet;
import wx.xml.xalan.xalan.templates.ElemTemplateElement;

/**
 * This class processes parse events for an xsl:attribute-set.
 *
 * @see <a href="http://www.w3.org/TR/xslt#dtd">XSLT DTD</a>
 * @see <a href="http://www.w3.org/TR/xslt#attribute-sets">attribute-sets in XSLT Specification</a>
 */
class ProcessorAttributeSet extends XSLTElementProcessor {
    static final long serialVersionUID = -6473739251316787552L;

    /**
     * Receive notification of the start of an xsl:attribute-set element.
     *
     * @param handler    The calling StylesheetHandler/TemplatesBuilder.
     * @param uri        The Namespace URI, or the empty string if the
     *                   element has no Namespace URI or if Namespace
     *                   processing is not being performed.
     * @param localName  The local name (without prefix), or the
     *                   empty string if Namespace processing is not being
     *                   performed.
     * @param rawName    The raw XML 1.0 name (with prefix), or the
     *                   empty string if raw names are not available.
     * @param attributes The attributes attached to the element.  If
     *                   there are no attributes, it shall be an empty
     *                   Attributes object.
     * @see wx.xml.xalan.xalan.processor.StylesheetHandler#startElement
     * @see org.xml.sax.ContentHandler#startElement
     * @see org.xml.sax.ContentHandler#endElement
     * @see org.xml.sax.Attributes
     */
    public void startElement(
        StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes)
        throws org.xml.sax.SAXException {

        ElemAttributeSet eat = new ElemAttributeSet();

        eat.setLocaterInfo(handler.getLocator());
        try {
            eat.setPrefixes(handler.getNamespaceSupport());
        } catch (TransformerException te) {
            throw new org.xml.sax.SAXException(te);
        }

        eat.setDOMBackPointer(handler.getOriginatingNode());
        setPropertiesFromAttributes(handler, rawName, attributes, eat);
        handler.getStylesheet().setAttributeSet(eat);

        // handler.pushElemTemplateElement(eat);
        ElemTemplateElement parent = handler.getElemTemplateElement();

        parent.appendChild(eat);
        handler.pushElemTemplateElement(eat);
    }

    /**
     * Receive notification of the end of an element.
     *
     * @param name       The element type name.
     * @param attributes The specified or defaulted attributes.
     * @param handler    non-null reference to current StylesheetHandler that is constructing the Templates.
     * @param uri        The Namespace URI, or an empty string.
     * @param localName  The local name (without prefix), or empty string if not namespace processing.
     * @param rawName    The qualified name (with prefix).
     */
    public void endElement(
        StylesheetHandler handler, String uri, String localName, String rawName)
        throws org.xml.sax.SAXException {
        handler.popElemTemplateElement();
    }
}
